990565345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{22769}}^1$

素因数の和:22905

約数の個数: 32

約数和(自身を含む): 1495169280

約数和(自身を除く): 504603935

約数列:

[1, 5, 7, 11, 35, 55, 77, 113, 385, 565, 791, 1243, 3955, 6215, 8701, 22769, 43505, 113845, 159383, 250459, 796915, 1252295, 1753213, 2572897, 8766065, 12864485, 18010279, 28301867, 90051395, 141509335, 198113069, 990565345]

約数ペア:

[(1, 990565345), (5, 198113069), (7, 141509335), (11, 90051395), (35, 28301867), (55, 18010279), (77, 12864485), (113, 8766065), (385, 2572897), (565, 1753213), (791, 1252295), (1243, 796915), (3955, 250459), (6215, 159383), (8701, 113845), (22769, 43505)]